Home / 77,316.72-115,778.16-50,941.52

Finding the Fourth Proportional to 77,316.72, 115,778.16 and 50,941.52

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Solution

The fourth proportional to 77,316.72, 115,778.16 and 50,941.52 is: 76,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,316.72 : 115,778.16 = 50,941.52 : x
  2. Step 2: Convert to fraction form
    77,316.72/115,778.16 = 50,941.52/x
  3. Step 3: Cross multiply
    77,316.72x = 115,778.16 × 50,941.52
  4. Step 4: Simplify right side
    77,316.72x = 5,897,915,453.20
  5. Step 5: Solve for x
    x = 5,897,915,453.20/77,316.72
  6. Step 6: Final answer
    x = 76,282.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.